1 / 8

Oh Wow…We need a review

Try These: How many Sig Figs in the following? .00234 20,002 29,000 2.3000 Solve 12.1012cm + 20.234cm + 11.12cm= 2.345cm X 11.023cmX.0023. Oh Wow…We need a review. Homogeneous Mixture-something consistent throughout Ex: Salt water

kolya
Download Presentation

Oh Wow…We need a review

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Try These:How many Sig Figs in the following?.0023420,00229,0002.3000Solve12.1012cm + 20.234cm + 11.12cm=2.345cm X 11.023cmX.0023

  2. Oh Wow…We need a review • Homogeneous Mixture-something consistent throughout Ex: Salt water • Heterogeneous-Mixed composition throughout Ex: Alphabet soup, Sample of Dirt • Element- Basic Building Block (See Periodic Table) Ex: N,I,O • Compound-composed of elements • Ex: CO2 • Pure substance can’t be separated with out a change of composition (O2, NaCl (salt), H2O) can be elements or compounds

  3. How does significant digits relate to tools in science? • Significant Digits show how precise a tool is • Precision is How close measurements are to each other • This is different than accuracy which is how close you are to the correct answer

  4. Explain what a precise dart player would look like. How would this compare to an accurate player?

  5. What is in a Good Procedure?

  6. What does it mean Control a procedure? • In a controlled experiment everything is the same except for the manipulated variable

  7. How does this relate to an experimental control? • An experimental control determines if the environment has any affect on the data

  8. You will design an experiment to determine the affect of temperature on Reaction Rate • Available Materials • Beakers, Ice, Water, 3 polident tablets, graduated cylinders

More Related